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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_PREF_MANAGER_H
#define COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_PREF_MANAGER_H
#include <memory>
#include <string>
#include <vector>
#include "base/macros.h"
class PrefRegistrySimple;
class PrefService;
namespace base {
class DictionaryValue;
} // namespace base
namespace proximity_auth {
// This class manages the local (persistent) settings used by Smart Lock. It
// provides methods to set and queries the local settings, e.g. the address of
// BLE devices.
class ProximityAuthPrefManager {
public:
// Creates a pref manager backed by preferences registered in
// |pref_service| (persistent across browser restarts). |pref_service| should
// have been registered using RegisterPrefs(). Not owned, must out live this
// instance.
explicit ProximityAuthPrefManager(PrefService* pref_service);
virtual ~ProximityAuthPrefManager();
// Registers the prefs used by this class to the given |pref_service|.
static void RegisterPrefs(PrefRegistrySimple* registry);
// Methods used to handle remote BLE devices stored in prefs
// (kProximityAuthRemoteBleDevices).
//
// Each device correspond to a (public_key, bluetooth_address) pair. The
// bluetooth_address <-> public_key mapping is unique, i.e. if there is
// another device with same bluetooth address or public key that device will
// be replaced.
void AddOrUpdateDevice(const std::string& bluetooth_address,
const std::string& public_key);
// Removes the unique device with |bluetooth_address| (|public_key|). Returns
// false if no device was found.
bool RemoveDeviceWithAddress(const std::string& bluetooth_address);
bool RemoveDeviceWithPublicKey(const std::string& public_key);
// Queries the devices stored in |kProximityAuthRemoteBleDevices| pref by
// |bluetooth_address| or |public_key|. Virtual for testing.
virtual bool HasDeviceWithAddress(const std::string& bluetooth_address) const;
virtual bool HasDeviceWithPublicKey(const std::string& public_key) const;
virtual std::string GetDevicePublicKey(
const std::string& bluetooth_address) const;
virtual std::string GetDeviceAddress(const std::string& public_key) const;
virtual std::vector<std::string> GetPublicKeys() const;
private:
const base::DictionaryValue* GetRemoteBleDevices() const;
// Contains perferences that outlive the lifetime of this object and across
// process restarts. Not owned and must outlive this instance.
PrefService* pref_service_;
DISALLOW_COPY_AND_ASSIGN(ProximityAuthPrefManager);
};
} // namespace proximity_auth
#endif // COMPONENTS_PROXIMITY_AUTH_PROXIMITY_AUTH_PREF_MANAGER_H
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